455A Group
LCD power supply
LCD control signal
(Note 3)
L3j
(Note 1)
0
1
P20/SEG24,
P21/SEG25
(Note 2)
(Note 3)
L3j
(Note 1)
(Note 3)
K1j
LCD power
supply
Edge detection
circuit
Key-on wakeup
input
IAP2
instruction
(Note 3)
Register A
Aj
Pull-up
transistor
(Note 3)
FR3j
PU1j
(Note 3)
Aj
D
OP2A
instruction
T
Q
LCD power supply
(Note 4)
L3k
0
1
LCD control signal
(Note 1)
(Note 1)
P22/SEG26,
P23/SEG27
(Note 2)
(Note 4)
L3k
(Note 4)
LCD power
supply
K1k
Edge detection
circuit
Key-on wakeup
input
IAP2
instruction
(Note 4)
Register A
Ak
Pull-up
transistor
(Note 4)
FR3k
PU1k
(Note 4)
Ak
D
OP2A
instruction
T
Q
Notes 1.
This symbol represents a parasitic diode on the port.
2. Applied potential to these ports must be VDD or less.
3. j represents bits 0, 1.
4. k represents bits 2, 3.
Fig 7. Port block diagram (5)
Rev.1.01 Feb 15, 2008 Page 13 of 146
REJ03B0224-0101
RENESAS [ RENESAS TECHNOLOGY CORP ]
